Zenith "Super Royal T" Transistor (Body) Hearing Aid
The Zenith "Super Royal T" transistor hearing aid was manufactured by the
Hearing Aid Division of the Zenith Radio Corp. in 1953. It was a 3-transistor aid.
Its gold anodized aluminum case measured 3" x 2¼" x
⅞" thick, and weighed a total of 5 oz. with batteries.
The microphone grill was a black vertical rectangle (upper front
center)
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Front view of the Zenith "Super Royal T" hearing aid (earlier version) showing the
rectangular microphone grill (upper center) with a pocket clip on
each side. Below is the name "Zenith" and at the bottom is the phone
logo and the words "phone magnet" indicating that this hearing aid had a
t-coil.
This earlier version's serial number was T200530.
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Front view of the Zenith "Super Royal T" hearing aid (later version). The
only difference is the pocket clips have been replaced by a wire pocket
clip that flanks the microphone grill This later version's serial
number was T213269. So sometime between these two serial numbers, they
switched the pocket clip style.
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Top view of the Zenith "Super Royal T" hearing aid showing the 4-position tone
control (left), the receiver cord jack (center) and the 1-7 volume
control/on-off switch (right). The tone control was labeled "M" (Mid),
"L" (low), "F" (full), "H" (high). Here
is a copy of the
User's Manual for the Zenith Super Royal T hearing aid.
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Right side view of the Zenith "Super Royal T" hearing aid showing the
volume control (left), the external microphone jack (left of center),
the "TEL" (telephone or t-coil) and "MIKE" (microphone) switch (center)
and the thumb-nail slot (labeled "LIFT") to open the battery compartment
door (right of center). |
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Right side view of the Zenith "Super Royal T" hearing aid showing the
volume control (left), the external microphone jack (left of center),
the "TEL" (telephone or t-coil) and "MIKE" (microphone) switch (center)
and the thumb-nail slot (labeled "LIFT") to open the battery compartment
door (right of center). |
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The back of the Zenith "Super Royal T" hearing aid swings to the right
revealing the battery compartment (bottom center) The serial number is
located directly above the right side of the battery compartment
(written vertically). The serial number is T200530. |
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Inside view of the battery compartment of the Zenith "Super Royal T"
hearing aid showing the
two No.
RM-1
1.4 volt
mercury hearing aid batteries hooked in series (bottom center).
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Rear view of the Zenith "Super Royal T" hearing aid. Engraved into the
upper back, on separate lines, are the words, "Zenith", "Super Royal",
"T", "the royalty of hearing". |
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Side view of the receiver of the Zenith "Super Royal T"
hearing aid showing the
two-pronged plug of the receiver cord and corresponding jack on the
receiver.
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Back view of the receiver of the Zenith "Super Royal T"
hearing aid showing the
receiver cord plugged in.
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Front view of the receiver of the Zenith "Super Royal T" hearing aid and
the hard clear plastic ear mold shown here snapped apart.
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Side view of the receiver of the Zenith "Super Royal T"
hearing aid shown here with the ear mold snapped to it.
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The Zenith "Super Royal T" hearing aid could also use a bone
conduction transducer instead of a receiver. Shown here is the front view of the bone
conduction transducer that just happened to come with the later version.
The front part was held tightly against the mastoid bone behind your ear
so the amplified sound vibrations would be conducted through your skull
to your inner ear.
The upper number (center) is 40215—presumably the serial no. Below is
the name "Zenith" and at the bottom is the model number "417".
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Back and bottom view of the bone conduction transducer of the Zenith
"Super Royal T" hearing aid showing how the standard receiver cord
plugged into it.
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Side view of the bone conduction transducer of the Zenith "Super Royal
T" hearing aid with the receiver cord plugged into it. The hole on the
side (and one on the other side) was for headband (not shown) to snap
into to hold the transducer in place. |
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The Zenith "Super Royal T" in its original carrying case
(older version).
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The Zenith "Super Royal T" in its original carrying case
(newer version).
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The Zenith "Super Royal T" in its original carrying case
(older version). |
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Top view of the Zenith's "Super Royal T" carrying case (newer
version).
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